Home » Certification Exams Questions » A company wishes to compare the expected mileage of eight different types of car tyres. Which one of the following statistical tests is best suited for analysis?

OPTIONS

  • Multiple regression
  • ANOVA
  • Paired-difference testS
  • Z-test

ANSWER

ANOVA

EXPLANATION

ANOVA is a statistical test that evaluates the difference among means of three or more samples. In this example , each of the eight tyres could be tested and the average expected mileage is recorded. ANOVA analysis determines whether at least 2 of the tyres have significantly different mileages.

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